KR20180112377A - Power terminal and refrigerator having the same - Google Patents

Abstract

The present invention relates to a compressor power terminal, which comprises: a power terminal main body mounted on the side surface of a compressor main body obliquely in the direction crossing the longitudinal direction of the compressor main body; and a power terminal cover coupled to the power terminal main body and covering a power terminal. Moreover, the power terminal cover includes a side surface unit covering a side edge unit of the power terminal main body, a front surface unit forming a front surface of the power terminal cover to cover the side surface unit, and a corner unit connecting the front surface unit to the side surface unit. In addition, an upper side and a lower side of the corner unit have curvatures, asymmetric to each other. Accordingly, interference with a machine room cover, which is a counterpart of the compressor, can be avoided even when the shape of the compressor and the location of the terminal are replaced.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a compressor power supply terminal,

The present invention relates to a compressor power supply terminal for supplying power to a compressor and a refrigerator having the same.

Generally, a refrigerator is an appliance in which food is frozen or refrigerated according to the type of food to be stored.

Inside the refrigerator, a machine room is provided in which a part of the components constituting the refrigeration cycle is provided.

The inside of the machine room may be provided with a compressor for compressing the refrigerant, a condenser for cooling the refrigerant compressed by the compressor in a liquid state, and a condensing fan for cooling the condenser by forcibly blowing air through the condenser.

A terminal for supplying external power to the compressor is installed on one side of the compressor, and an electrical component for applying a current to the compressor is connected to the terminal.

For example, the terminal may be combined with a positive temperature coefficient (PTC). The PTC controls the external power supplied to the compressor. The temperature of the compressor is changed by the operation of the compressor, and the resistance is changed accordingly, thereby interrupting the current supplied to the compressor. To protect electrical components such as PTC, the terminal is further fitted with a power terminal cover that encloses electrical components.

Prior Art Patent Application No. 10-2010-0001080 related to the present invention relates to a terminal assembly of a compressor and a method of assembling the same, wherein an electrical component coupled to a compressor of a refrigerator is firmly coupled to a terminal, The power can be stably supplied to the compressor.

FIG. 1 is a plan view showing a compressor accommodated in a conventional machine room, and FIG. 2 is a conceptual view showing a side view of the compressor outside the machine room of FIG.

The conventional compressor 1 can be formed in an elliptical shape as viewed from above and is mounted such that the power terminal cover 2 surrounding the terminal and electrical components protrudes from the side of the side of the compressor 1 to the left side of the machine room 3 .

However, when the shape of the conventional compressor 1 is changed from an elliptical shape to a cylindrical shape elongated in the lateral direction of the machine room 3, the installation position of the terminal and the power terminal cover can be changed in the direction facing the machine room cover In this case, the conventional power terminal cover may cause interference with the machine room cover. If the power terminal cover and the machine room cover interfere with each other, there is a problem that when the machine room cover is closed, the power terminal cover and the machine room cover come into contact with each other, thereby impacting the power terminal cover and damaging the power terminal cover.

In addition, when the conventional power terminal cover is brought into contact with the machine room cover, noise and vibration generated in the compressor may be transmitted to the machine room cover, which may cause noise and vibration to be amplified.

Therefore, it is a first object of the present invention to provide a compressor power supply terminal capable of avoiding interference with a machine room cover, which is an opponent, even if the shape of the compressor and the position of the terminal are changed, and a refrigerator having the same.

It is a second object of the present invention to provide a compressor power supply terminal and a refrigerator having the compressor power supply terminal capable of minimizing noise and vibration increase due to a change in compressor shape.

The first object of the present invention can be achieved by applying an asymmetric curvature to the edge of the power terminal cover.

A second object of the present invention can be achieved by avoiding the resonance point through the thickness reinforcement of the power terminal cover.

A compressor power supply terminal according to the present invention includes: a power terminal body mounted on a side surface of a compressor body at an oblique angle in a direction crossing a longitudinal direction of the compressor body; And a power terminal cover coupled to the power terminal body to cover the power terminal, wherein the power terminal cover includes: a side portion surrounding a side edge portion of the power terminal body; A front surface portion forming a front surface of the power terminal cover to cover the side portion; And an edge portion connecting the front portion and the side portion. The curvatures of the upper and lower sides of the corner portion may be asymmetric with respect to each other.

According to an embodiment of the present invention, the compressor body may be formed in a cylindrical shape, and the longitudinal center axis of the compressor body may be arranged in a horizontal direction.

According to an embodiment of the present invention, the power terminal body and the power terminal cover may be formed in a rectangular parallelepiped shape.

According to an embodiment of the present invention, the power terminal body and the power terminal cover may be disposed on the upper portion with respect to the longitudinal center line of the compressor body, respectively.

According to an embodiment of the present invention, the corner portion includes an upper corner portion extending from the upper portion of the front portion to the upper side of the side portion, and a lower corner portion extending from the lower portion of the front portion to the lower side of the side portion, The radius of curvature of the portion may be larger than that of the upper edge portion.

According to an embodiment of the present invention, the connecting portion may further include a coupling portion protruding laterally from the side portion and having a coupling hole for coupling with the compressor main body.

According to an embodiment of the present invention, the fastening hole may be formed in a direction crossing the front portion.

According to an embodiment of the present invention, a vibration reduction portion may be formed on the side portion so as to protrude further in the thickness direction.

According to an embodiment of the present invention, the vibration reduction section includes: a first vibration reduction section that protrudes from an upper side surface to a right side surface of the side section; And a second vibration reduction part protruding from a left side surface of the side part.

According to an embodiment of the present invention, a protrusion further protruding toward the side surface of the compressor body than the left or right side surface portion or the lower side surface portion may be formed on the upper side surface of the side surface portion.

According to an embodiment of the present invention, the protrusion may be formed to have a relatively large thickness.

According to one embodiment of the present invention, a first reinforcing portion formed in a cross shape on an inner surface of the front portion; And a second reinforcing portion protruding from the center of the first reinforcing portion in a circular shape.

According to an embodiment of the present invention, the power terminal cover may further include a pair of guide protrusions protruding from the inner surface of the front portion and for coupling the power terminal body and the power terminal cover.

According to an embodiment of the present invention, the battery pack may further include a locking protrusion protruding from an inner surface of the side portion and adapted to be fastened to the power terminal body.

According to an embodiment of the present invention, the locking protrusion includes: a first locking protrusion protruding from a left inner surface of an inner surface of the side portion; And a second locking protrusion protruding from an upper inner surface of the inner surface of the side portion.

A refrigerator according to the present invention includes: a refrigerator body; A machine room provided at a lower portion of the refrigerator main body; A machine room cover vertically installed to cover the machine room; A compressor body accommodated in the machine room and having a longitudinal center axis disposed horizontally; And a compressor power source terminal mounted on a side surface of the compressor body so that a front surface thereof is disposed toward the machine room cover, wherein the compressor power source terminal is provided at a side surface of the compressor body at an oblique angle with respect to a longitudinal direction of the compressor body A power terminal body to be mounted; And a power terminal cover coupled to the power terminal body to cover the power terminal.

According to an embodiment of the refrigerator of the present invention, the power terminal cover includes: a side portion surrounding a side edge portion of the power terminal body; A front surface portion forming a front surface of the power terminal cover to cover the side portion; And an edge portion connecting the front portion and the side portion. The curvatures of the upper and lower sides of the corner portion may be asymmetric with respect to each other.

According to the present invention configured as described above, the following effects can be obtained.

First, the curvatures of the upper and lower corners of the power supply terminal cover configured to enclose electrical components supplying power to the compressor are designed asymmetrically, that is, by making the radius of curvature lower than that of the upper edge, The space between the power terminal cover and the machine room cover, which is a relative object thereof, can be secured, thereby avoiding interference between the power terminal cover and the machine room cover. According to this, reliability can be ensured when assembling the power terminal cover and the power terminal body.

Second, the resonance point is avoided by reinforcing the thickness of the power supply terminal cover, so that vibration and noise generated in the compressor can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a top plan view of a compressor housed within a conventional machine room.
FIG. 2 is a conceptual view showing a side view of the compressor outside the machine room of FIG. 1. FIG.
3 is a conceptual view illustrating a state where a power terminal is installed in a compressor according to the present invention.
4 is a cross-sectional view taken along the line AA in Fig.
5 is a perspective view of the power terminal cover viewed from the front in FIG.
FIG. 6 is a rear view showing the inner side surface of the power terminal cover in FIG. 5; FIG.
FIG. 7 is a conceptual view showing the front, right, bottom, left, and top surfaces of FIG. 4, respectively.
8 is a conceptual view showing a structure in which the power terminal cover and the power terminal body are fastened to each other by the first locking protrusion in FIG.
FIG. 9 is a conceptual view showing a structure in which the power terminal cover and the power terminal body are fastened to each other by the second locking protrusion in FIG.

Hereinafter, a compressor power supply terminal and a refrigerator having the compressor power terminal according to the present invention will be described in detail with reference to the drawings. The singular expressions include plural expressions unless the context clearly dictates otherwise.

FIG. 3 is a conceptual view showing a state where a power source terminal is installed in the compressor 13 according to the present invention, and FIG. 4 is a sectional view taken along line A-A of FIG.

The refrigerator of the present invention includes a refrigerator body (10), a door, a machine room (11), and a refrigeration cycle system.

The refrigerator body 10 can form an appearance of the refrigerator. A storage room is formed inside the refrigerator body 10 so that food and the like can be stored in the storage room in a refrigerated and frozen state.

The door is rotatably hinged to the front surface of the refrigerator body 10 to open and close the storage compartment.

A machine room 11 may be formed at a lower portion of the refrigerator body 10. The compressor 13, the condensing fan 15, and the like can be accommodated in the machine room 11. [ The machine room 11 is installed at the lower part of the rear surface of the refrigerator body 10 and covers the machine room 11 to protect the internal parts from external impacts.

The refrigeration cycle system may include a compressor (13), a condenser (14), an expansion device, and an evaporator, and may be configured to continuously supply cool air into the storage room through heat exchange between the refrigerant and the air.

The compressor (13) of the present invention may be in the form of a cylinder. The cylindrical compressor (13) can be installed so that the central axis in the longitudinal direction is arranged horizontally. The compressor (13) can be arranged long in the lateral direction of the machine room (11). A compressor power supply terminal 20 is provided on the side surface of the compressor 13 and on one side of the outer circumferential surface of the cylindrical compressor 13 to apply power to the inside of the compressor 13. [

The compressor (13) includes a compressor body (131) and a compressor (13). The compressor body 131 can form a contour of the compressor 13 in a cylindrical shape. The compressor (13) is installed inside the compressor body (131) and can compress the refrigerant. The compressor (13) may be constituted by a linear type compressor (13).

The condensing fan 15 can cool the condenser 14 and the compressor 13 by sucking the outside air into the machine room 11 and delivering it to the condenser 14 and the compressor 13. [

The compressor power supply terminal 20 may be formed in a rectangular parallelepiped shape having a low height. The compressor power supply terminal 20 can be obliquely mounted on the outer circumferential surface of the compressor main body 131 in a direction intersecting the longitudinal center axis of the compressor main body 131.

The compressor power supply terminal 20 includes a power supply terminal body 21 and a power supply terminal cover 23.

The power supply terminal main body 21 may have an upward opening and a box-like structure in which upper, lower, left, right and rear sides are closed. The power terminal cover (23) may be opened in a downward direction and may have a box-like structure in which upper, lower, left and right sides and a front surface are closed. The power terminal main body 21 can be accommodated in the power terminal cover 23. The power terminal cover 23 can be coupled to the power terminal main body 21 so as to overlap the side surface portions 231.

The rear surface of the power supply terminal main body 21 may be tilted at a predetermined angle with respect to a horizontal plane passing through the center axis of the compressor main body 131,

A terminal 22 is provided inside the power supply terminal main body 21 and the terminal 22 is configured to supply an external power supply to a sphere of the compressor 13 inside the compressor 13. [ An electrical component such as a PTC or the like may be coupled to the terminal 22. A harness may be connected to the terminal 22 to supply power to the compressor 13 or the like. A through hole may be formed in the back surface of the power supply terminal main body 21 so that the harness is connected to the inside of the compressor main body 131. [

FIG. 5 is a perspective view of the power terminal cover 23 seen from the front in FIG. 4, FIG. 6 is a rear view of the power terminal cover 23 in FIG. 5, A lower surface, a left surface, and an upper surface, respectively.

The power terminal cover 23 may be configured to include a side surface portion 231, a front surface portion 232, and a corner portion 233.

The side portions 231 intersect at right angles to each other and can form the four sides of the power terminal cover 23. Each of the four side portions 231 may be disposed so as to overlap the side edge portion in the thickness direction so as to surround the side edge portion of the power supply terminal main body 21. The side surface portion 231 has an upper side surface portion 231a, a right side surface portion 231b, a lower side surface portion 231c, and a left side surface portion 231d which form an upper side surface, a right side surface, a lower side surface, . ≪ / RTI > The upper side surface portion 231a, the right side surface portion 231b, the lower side surface portion 231c, and the left side surface portion 231d may be connected to each other in a curved surface shape having a constant curvature.

The front face portion 232 is configured to cover the side face portion 231 in a single planar shape and can form the front face of the power source terminal cover 23. The front portion 232 may be disposed in a direction opposite to the machine room cover 12. At this time, the machine room cover 12 may be vertically disposed, and the front portion 232 may be inclined at a predetermined angle, for example, about 30 to 40 degrees, with respect to the machine room cover 12. Of course, the inclination angle of the front portion 232 is only one example, but is not limited thereto.

The corner portion 233 may be formed in a curved surface shape having a constant curvature so as to connect the edge portion of the front surface portion 232 and the side surface portion 231. The corner portion 233 may include an upper corner portion 233a, a lower corner portion 233b, a left corner portion 233c, and a right corner portion 233d. The upper corner portion 233a has an upper side and an upper side portion 231a of the front portion 232 and a lower corner portion 233b has a lower side portion 231c and a lower side portion 231c of the front portion 232 and a left corner portion 233c, The right side edge portion 233d is formed so as to connect the right side portion and the right side portion 231 of the front side portion 232 with the left side and the left side portion 231 of the front face portion 232,

The lower edge portion 233b is a portion of the power terminal cover 23 closest to the machine room cover 12 and the lower edge portion 233b is a portion closest to the machine room cover 12, It is preferable that the portion 233a and the lower corner portion 233b are designed asymmetrically with respect to each other. That is, the lower edge portion 233b is formed to have a smaller curvature than the upper edge portion 233a, thereby securing a certain distance between the lower edge and the machine room cover 12. Since the curvature has a reciprocal relationship with the radius of curvature, the lower corner portion 233b can be expressed differently in that the radius of curvature is larger than the upper edge portion 233a. The lower edge portion 233b is opened earlier and later than the upper edge portion 233a with respect to the curved surface forming point from the side portion 231 toward the front portion 232 The degree of curvature is gentler than that of the upper corner portion 233a so that the clearance between the lower corner portion 233b and the machine room cover 12 can be secured to be wider. Thus, interference between the power terminal cover 23 and the machine room cover 12 can be avoided.

The power terminal cover 23 may further include a vibration reduction section 234. The vibration reduction portion 234 can avoid the resonance point by reinforcing the thickness of the side portion 231 of the power supply terminal cover 23. The vibration reduction section 234 may include a first vibration reduction section 234a and a second vibration reduction section 234b. The first vibration reduction portion 234a may extend from the upper side surface portion 231a to the right side surface portion 231b of the power terminal cover 23 and be thick. The second vibration reduction portion 234b may be formed in a rectangular shape on the left side portion 231d of the power terminal cover 23 to be thick. According to this, the vibration reduction section 234 can avoid the resonance point and reduce the vibration and noise generated in the compressor 13. [ The power terminal cover 23 may further include a protrusion 235 that protrudes further toward the upper side surface of the compressor body 131 from the upper side surface portion 231a. The protrusion 235 extends in the direction intersecting the back surface of the power supply terminal main body 21 and covers the gap between the back surface (tangential direction) of the power supply terminal main body 21 and the outer circumferential surface (arc) of the compressor main body 131 So that foreign matter can be prevented from flowing into the gap, and also can be used for the purpose of avoiding the resonance point.

A fastening portion 236 may be formed to protrude from the right side surface portion 231b of the power terminal cover 23. [ The fastening portion 236 may be formed in an " a " shape. One side of the fastening portion 236 may be formed parallel to the front portion 232 and the other side of the fastening portion 236 may be formed in a direction crossing the front portion 232. A fastening hole 236a may be formed on one side of the fastening portion 236 in a direction crossing the front portion 232. [ A bracket may protrude from an outer circumferential surface of the compressor main body 131 and one surface of the bracket may be disposed to overlap with one surface of the coupling portion 236 in the thickness direction. The screw can pass through one side of the fastening part 236 and one side of the bracket to fasten the fastening part 236 to the bracket.

FIG. 8 is a conceptual view showing a structure in which the power terminal cover 23 and the power terminal body 21 are fastened to each other by the first locking protrusion 237a in FIG. 6. FIG. And the power terminal main body 21 are fastened to each other by the second locking protrusion 237b.

A locking protrusion 237 may protrude from the inner surface of the power terminal cover 23. The locking protrusion 237 is a component for fastening the power terminal cover 23 and the power terminal body 21 together with the fastening portion 236. The locking protrusion 237 may include a first locking protrusion 237a and a second locking protrusion 237b.

The first locking protrusion 237a may protrude from the inner surface of the left side surface portion 231d of the side surface portion 231. [ A locking hole 211 is formed in a left side surface of the power terminal body 21 so that when the side surface portion 231 of the power terminal body 21 is inserted into the power terminal cover 23, the first locking protrusion 237a And may be coupled to the locking hole 211.

The second locking protrusion 237b may protrude from the inner surface of the upper side surface portion 231a of the side surface portion 231. [ A locking groove 212 is formed in the upper surface of the power terminal body 21 so that when the side surface portion 231 of the power terminal body 21 is inserted into the power terminal cover 23, the second locking protrusion 237b And may be coupled to the locking groove 212.

A third reinforcing portion 238c is formed on the outer surface of the upper side surface portion 231a so as to overlap with the second locking protrusion 237b in the thickness direction to reinforce the strength of the second locking protrusion 237b.

The first and second locking projections 237a and 237b are disposed in a diagonal direction with respect to the coupling portion 236 so that the power terminal cover 23 and the power terminal body 21 can be firmly coupled to each other.

A reinforcing portion 238 for reinforcing the strength may be provided on the inner surface of the front portion 232 of the power terminal cover 23. The reinforcing portion 238 may be composed of first and second reinforcing portions 238b. The first reinforcing portion 238a may protrude from the inner surface of the front portion 232 in a cross shape. The second reinforcing portion 238b may be formed to protrude from the center of the inner surface of the front portion 232 in a circular shape. The second reinforcing portion 238b is further extended in the direction of facing the harness connected to the terminal 22 than the first reinforcing portion 238a so that the harness is extended by the second reinforcing portion 238b to the terminal 22 In the present invention.

A pair of guide protrusions 239 may be further provided on the inner surface of the front portion 232 of the power terminal cover 23. The guide protrusion 239 can guide the coupling position of the power terminal body 21 and the power terminal cover 23 when the power terminal body 21 and the power terminal cover 23 are assembled. To this end, a pair of guide grooves for inserting the guide protrusion 239 into the terminal 22 may be formed.

The lower edge portion 233b of the power terminal cover 23 is positioned at the upper edge portion 233a even if the position of the compressor power source terminal 20 is changed, The space between the power supply terminal cover 23 and the machine room cover 12 can be secured by avoiding the interference between the power supply terminal cover 23 and the machine room cover 12 by designing the radius of curvature to be larger.

In addition, since the power terminal cover 23 does not touch the machine room cover 12, vibration and noise generated during operation of the compressor 13 can be prevented from being transmitted to the machine room cover 12, thereby solving the assembly reliability problem .

In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be obscured.

It will be apparent to those skilled in the art that various modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the invention as defined by the appended claims. will be.

10: refrigerator body 11: machine room
12: Machine room cover 13: Compressor
131: compressor body 14: condenser
15: condensing fan 20: compressor power terminal
21: Power terminal body 211: Locking hole
212: locking groove 22: terminal
23: power supply terminal cover 231:
231a: upper side portion 231b: right side portion
231c: lower side portion 231d:
232: front face portion 233: corner portion
233a: upper corner portion 233b: lower corner portion
233c: left corner portion 233d: right corner portion
234: Vibration reduction section 234a: First vibration reduction section
234b: second vibration reduction section 235:
236: fastening portion 236a: fastening hole
237: locking protrusion 237a: first locking protrusion
237b: second locking projection 238: reinforcing portion
238a: first reinforcing portion 238b: second reinforcing portion
238c: third reinforcing portion 239: guide projection

Claims (17)

A power terminal main body mounted obliquely on a side surface of the compressor main body in a direction crossing the longitudinal direction of the compressor main body; And
A power terminal cover coupled to the power terminal body to cover the power terminal;
Lt; / RTI >
The power terminal cover
A side portion surrounding a side edge portion of the power terminal body;
A front surface portion forming a front surface of the power terminal cover to cover the side portion; And
A corner portion connecting the front portion and the side portion;
And the curvatures of the upper and lower sides of the corner portion are formed asymmetrically with respect to each other. The method according to claim 1,
The compressor body is formed in a cylindrical shape,
And a longitudinal center axis of the compressor body is arranged in a horizontal direction. The method according to claim 1,
Wherein the power terminal body and the power terminal cover are each formed in a rectangular parallelepiped shape. The method according to claim 1,
Wherein the power supply terminal body and the power supply terminal cover are respectively disposed at upper portions with respect to a longitudinal center line of the compressor body. The method according to claim 1,
The corner portion includes an upper corner portion extending from the upper portion of the front portion to the upper side of the side portion and a lower corner portion extending from the lower portion of the front portion to the lower side of the side portion,
Wherein a radius of curvature of the lower edge portion is larger than that of the upper edge portion. The method according to claim 1,
Further comprising a fastening portion protruding laterally from the side surface portion and including a fastening hole for fastening the compressor body to the compressor main body. The method according to claim 6,
Wherein the fastening hole is formed to penetrate in a direction intersecting with the front portion. The method according to claim 1,
And a vibration reduction portion formed on the side portion so as to be thickly protruded in the thickness direction. 9. The method of claim 8,
The vibration-
A first vibration reduction portion that protrudes from an upper side of the side portion to a right side; And
A second vibration reduction portion protruding from a left side surface of the side portion;
Further comprising: a compressor power terminal. The method according to claim 1,
Further comprising a protrusion formed on an upper side surface of the side surface portion so as to protrude further toward the side surface of the compressor body than the left or right side surface portion or the lower side surface portion. 11. The method of claim 10,
Wherein the protrusions are formed to have a relatively large thickness. The method according to claim 1,
A first reinforcing portion formed in a cross shape on an inner surface of the front portion; And
A second reinforcing part protruding from the center of the first reinforcing part in a circular shape;
Further comprising: a compressor power terminal. The method according to claim 1,
Further comprising a pair of guide protrusions protruding from an inner surface of the front portion and adapted to engage with the power terminal body and the power terminal cover. The method according to claim 1,
Further comprising locking protrusions protruding from an inner surface of the side portion and adapted to be fastened to the power terminal body. 15. The method of claim 14,
The locking projection
A first locking protrusion protruding from a left inner surface of an inner surface of the side portion; And
A second locking protrusion protruding from an upper inner surface of an inner surface of the side portion;
And the compressor power terminal. Refrigerator body;
A machine room provided at a lower portion of the refrigerator main body;
A machine room cover vertically installed to cover the machine room;
A compressor body accommodated in the machine room and having a longitudinal center axis disposed horizontally; And
A compressor power supply terminal mounted on a side surface of the compressor body so that a front surface thereof is disposed toward the machine room cover;
Lt; / RTI >
The compressor power supply terminal,
A power terminal main body mounted obliquely on a side surface of the compressor main body in a direction crossing the longitudinal direction of the compressor main body; And
A power terminal cover coupled to the power terminal body to cover the power terminal;
. 17. The method of claim 16,
The power terminal cover
A side portion surrounding a side edge portion of the power terminal body;
A front surface portion forming a front surface of the power terminal cover to cover the side portion; And
A corner portion connecting the front portion and the side portion;
And the curvatures of the upper and lower sides of the corner portion are formed asymmetrically with respect to each other.

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